| Official Name: | Kardowjin |
| Native Name: | كاردوجين |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | East Azerbaijan |
| Subdivision Type2: | County |
| Subdivision Name2: | Kaleybar |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Peyghan Chayi |
| Population As Of: | 2006 |
| Population Total: | 28 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 38.7667°N 46.9369°W |
Kardowjin (Persian: كاردوجين, also Romanized as Kārdowjīn; also known as Kārd Chīn, Kārdjīn, Kārdwojīn, Kordejeh, and Kurdadzha) is a village in Peyghan Chayi Rural District, in the Central District of Kaleybar County, East Azerbaijan Province, Iran. At the 2006 census, its population was 28, in 8 families.
According to Vladimir Minorsky, the name of this village is derived from the Mongolian female given name Kardūjin.[1] One prominent historical bearer of this name was the Ilkhanid princess Kurdujin Khatun.[1]